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2. Alunite - Wikipedia

   en.wikipedia.org/wiki/Alunite

   Alunite crystals morphologically are rhombohedra with interfacial angles of 90° 50', causing them to resemble cubes. Crystal symmetry is trigonal. Minute glistening crystals have also been found loose in cavities in altered rhyolite. Alunite varies in color from white to yellow gray.

3. Hemorrhoidal artery embolization - Wikipedia

   en.wikipedia.org/wiki/Hemorrhoidal_artery_emboli...

   Hemorrhoidal artery embolization (HAE, or hemorrhoid artery embolization) is a non-surgical treatment of internal hemorrhoids. [ 1 ] The procedure involves blocking the abnormal blood flow to the rectal (hemorrhoidal) arteries using microcoils and/or microparticles to decrease the size of the hemorrhoids and improve hemorrhoid related symptoms ...

4. Transanal hemorrhoidal dearterialization - Wikipedia

   en.wikipedia.org/wiki/Transanal_hemorrhoidal_de...

   Hemorrhoids are fed by arteries and drained by veins. The arterial blood supply is based on the superior rectal (hemorrhoidal) artery. Just as veins in the leg weaken and become prominent, hemorrhoidal veins also may become varicose, resulting in internal hemorrhoids or “piles”. Internal hemorrhoids are divided into four grades.

5. How to Get Rid of Hemorrhoids at Home—Plus When to ... - AOL

   www.aol.com/lifestyle/rid-painful-hemorrhoids...

   External hemorrhoids occur when hemorrhoids are pushed just outside of the anal opening. When this happens, they can swell up, bleed, and feel seriously painful, irritated, and itchy, notes Dr ...

6. Ammonium alum - Wikipedia

   en.wikipedia.org/wiki/Ammonium_alum

   Ammonium aluminium sulfate, also known as ammonium alum or just alum (though there are many different substances also called "alum"), is a white crystalline double sulfate usually encountered as the dodecahydrate, formula (NH 4)Al(SO 4) 2 ·12H 2 O. It is used in small amounts in a variety of niche applications.

7. Alum-(K) - Wikipedia

   en.wikipedia.org/wiki/Alum-(K)

   Alum-(K) is a hydrous potassium aluminium sulfate mineral with formula KAl(SO 4) 2 ·12(H 2 O). It is the mineral form of potassium alum and is referred to as potassium alum in older sources. It is a member of the alum group. [2] It occurs as colorless to white, soft isometric crystals and efflorescence coatings. [3]